diff -ruN /usr/home/timp/squid.orig/Makefile /usr/ports/www/squid/Makefile
--- /usr/home/timp/squid.orig/Makefile	2015-04-15 10:34:31.072154000 +0300
+++ /usr/ports/www/squid/Makefile	2015-04-15 10:52:48.310588000 +0300
@@ -2,6 +2,7 @@
 
 PORTNAME=	squid
 PORTVERSION=	3.5.3
+PORTREVISION=	1
 CATEGORIES=	www ipv6
 MASTER_SITES=	http://www.squid-cache.org/Versions/v3/${PORTVERSION:R}/ \
 		http://www2.us.squid-cache.org/Versions/v3/${PORTVERSION:R}/ \
diff -ruN /usr/home/timp/squid.orig/files/patch-src_DiskIO_Mmapped_MmappedFile.cc /usr/ports/www/squid/files/patch-src_DiskIO_Mmapped_MmappedFile.cc
--- /usr/home/timp/squid.orig/files/patch-src_DiskIO_Mmapped_MmappedFile.cc	1970-01-01 03:00:00.000000000 +0300
+++ /usr/ports/www/squid/files/patch-src_DiskIO_Mmapped_MmappedFile.cc	2015-04-15 10:44:33.837331000 +0300
@@ -0,0 +1,11 @@
+--- src/DiskIO/Mmapped/MmappedFile.cc.orig	2015-04-15 10:39:56.146312000 +0300
++++ src/DiskIO/Mmapped/MmappedFile.cc	2015-04-15 10:40:53.487834000 +0300
+@@ -235,7 +235,7 @@
+     static const int pageSize = getpagesize();
+     delta = offset % pageSize;
+ 
+-    buf = mmap(NULL, length + delta, prot, flags, fd, offset - delta);
++    buf = mmap(NULL, length + delta, prot, flags | MAP_NOSYNC, fd, offset - delta);
+ 
+     if (buf == MAP_FAILED) {
+         const int errNo = errno;
diff -ruN /usr/home/timp/squid.orig/files/patch-src_ipc_mem_Segment.cc /usr/ports/www/squid/files/patch-src_ipc_mem_Segment.cc
--- /usr/home/timp/squid.orig/files/patch-src_ipc_mem_Segment.cc	1970-01-01 03:00:00.000000000 +0300
+++ /usr/ports/www/squid/files/patch-src_ipc_mem_Segment.cc	2015-04-15 10:43:59.990601000 +0300
@@ -0,0 +1,11 @@
+--- src/ipc/mem/Segment.cc.orig	2015-04-15 10:38:29.724278000 +0300
++++ src/ipc/mem/Segment.cc	2015-04-15 10:39:37.130756000 +0300
+@@ -150,7 +150,7 @@
+     assert(theSize == static_cast<off_t>(static_cast<size_t>(theSize)));
+ 
+     void *const p =
+-        mmap(NULL, theSize, PROT_READ | PROT_WRITE, MAP_SHARED, theFD, 0);
++        mmap(NULL, theSize, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_NOSYNC, theFD, 0);
+     if (p == MAP_FAILED) {
+         debugs(54, 5, HERE << "mmap " << theName << ": " << xstrerror());
+         fatalf("Ipc::Mem::Segment::attach failed to mmap(%s): %s\n",